另一项研究则发现,该地区的优势溪岸树种美国西川云杉,在有鲑鱼溪流的地方,长得比没有鲑鱼溪流的地方还大三倍。
Not surprisingly, one study found that growth of sitka spruce, the dominant streamside tree in the area, was three times greater along salmon streams than along nonsalmon streams.
另一项研究则发现,该地区的优势溪岸树种美国西川云杉,在有鲑鱼溪流的地方,长得比没有鲑鱼溪流的地方还大三倍。
Not surprisingly, one study found that growth of sitka spruce, the dominant streamside tree in the area, was three times greater along salmon streams than along nonsalmon streams.
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